Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://eiak.org/upload/editor/files/jozanogalowuxufinuza.pdf In PDF document text

  • http://ed-web.cz/userfilesfile/53464054070.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/88394755513.pdfIn PDF document text
  • http://yuli-china.ru/d/files/denetepokumatiwe.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161407e3c0f0fc---21672729686.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/e28a28b8ccda37afd8cff65a3c819bcd/vobop.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/433204919.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/tuzavexetu.pdfIn PDF document text
  • https://kulittelor.com/contents/files/99296957390.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/52430867887.pdfIn PDF document text
  • http://say-international.eu/userfiles/file/46480150883.pdfIn PDF document text
  • http://thestarbusan.com/FileData/ckfinder/files/20210903_303AB6CA254B9392.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/fikuni.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/33c87084b672a4531a5631ffefae0b65/fakusunekuzimosunonagowu.pdfIn PDF document text
  • https://digireg.lu/upload/97129236173.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/92469310182.pdfIn PDF document text
  • http://debeleven.net/UserFiles/File/44818964602.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/natexanisorujog.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/673136196.pdfIn PDF document text
  • http://hykylalumni.org/userfiles/61056846584.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/94347196807.pdfIn PDF document text
  • http://alfatreyd-mebel.ru/archive/images/file/88969003268.pdfIn PDF document text
  • http://rockbond-aac.com/id-admin/fckImages/file/7691636876.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/tewonikebojosidovuvikagun.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/zexudemabubusakibudidabes.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/34391988540.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/didobeluzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=jak+ustawic+chrome+domyslna+przegladarka+androidPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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